圆顶越桔 yuan ding yue ju

Shrubs evergreen, ca. 2 m tall, glabrous. Twigs rounded; bud scales caducous. Leaves borne towards ends of twigs; petiole 5–7 mm; leaf blade elliptic, 5–6.5 × 3–4 cm, thickly leathery, both surfaces punctate, secondary veins 6 or 7 pairs, fine veins inconspicuous abaxially, impressed adaxially, base broadly cuneate, decurrent, margin slightly revolute, entire, with 1 basal gland side, apex rounded. Inflorescences racemose, ca. 1.5 cm, many flowered; bracts oblong, ca. 3 cm, apex acute. Pedicel 1–1.5 mm. Hypanthium 1–1.5 mm; calyx lobes ovate, ca. 1 mm, apex acute. Corolla greenish purple, urceolate, ca. 3.5 mm, teeth triangular. Filaments ca. 0.6 mm, glabrous; anthers ca. 1.6 mm, with 2 erect spurs; tubules ca. as long as thecae. Immature berry globose. Fl. May.

Thickets; 1900–2600 m. SE Yunnan [N Vietnam].